html {
    background: #FFF;
}

::-webkit-input-placeholder {
    font-style: italic;
}

a {
    text-decoration: none;
    font-style: italic;
    color: #007dff;
}

a:hover {
    color: gold;

}

.b_top {
    height: 38px;
    min-width: 768px;
    background: #f1f1f1;
}

.top {
    margin: auto;
    height: 38px;
    width: 768px;
    background: #f1f1f1;
    display: flex;
    justify-content: flex-start;
    align-items: center;

}

.top img {
    width: 85px;
    height: 19px;
}

.top .mc {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.top span {
    font-size: 12.8px;
    color: #191919;
    font-weight: 700;
}

.b_box {
    /* background: #000; */
    min-width: 600px;
    height: 100%;
}

.box {
    margin: 0 auto;
    width: 400px;
    background: #ebecf0;
    height: 550px;
    box-shadow: -5px -5px 10px #fff, 5px 5px 10px #babebc;
    border-radius: 18px;
    padding: 0 50px;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
}

.box .title {
    padding-top: 10px;
    text-align: center;
    font-size: 20px;
    font-weight: 800;
}

.qdl {
    text-align: center;
    padding: 6px 0px;
}

.box span {
    padding-left: 5px;
}

.box input {
    background: #eee;
    padding: 16px;
    margin: 8px 0;
    width: 100%;
    height: 45px;
    border: 0;
    outline: 0;
    border-radius: 20px;
    box-shadow: inset 7px 2px 10px #babebc, inset -5px -5px 12px #fff;
    caret-color: #007dff;
}

#code {
    width: 80px;
    height: 20px;
}

#yzm {
    text-align: center;
    line-height: 20px;
    display: inline-block;
    width: 50px;
    height: 20px;
    background: gold;
    border-radius: 10px;
    margin-left: 5px;
}

.btn {
    color: #fff;
    width: 300px;
    height: 40px;
    border-radius: 7px;
    background: rgba(202, 20, 29, .5);
    border: none;
    cursor: not-allowed;
}



.foot {
    margin: 0 auto;
    min-width: 768px;
    width: 100%;
    height: 60px;
    background: #f1f1f1;
    text-align: center;
    position: fixed;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly
}